S 16 over Thirteen Mile Creek
FairDawson County, Montana · 1M SW Intake · Structure no. P00020015+04781
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 333 ft
- 10 main spans
- Daily traffic
- 2,333
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 16 over Thirteen Mile Creek is a steel continuous stringer/multi-beam or girder carrying S 16 over Thirteen Mile Creek in Dawson County, Montana. It was built in 1969, so it is 56 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,333 vehicles a day, roughly 13% of them trucks, projected to reach 2,461 by 2043. The structure is 333 ft (101.5 m) long and 43 ft wide. If it were closed, the detour would be 65.9 mi (106 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 16 over Thirteen Mile Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is S 16 over Thirteen Mile Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.
How much traffic does S 16 over Thirteen Mile Creek carry?
About 2,333 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is S 16 over Thirteen Mile Creek?
The structure is 333 ft (101.5 m) long with a longest span of 34 ft (10.4 m) and a deck 43 ft wide.
Who owns S 16 over Thirteen Mile Creek?
It is owned by the State Highway Agency.